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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Security Engineer - **Company:** RTX - **Location:** Los Angeles, CA, United States - **Experience:** Expert - **Salary:** $86,800.0 - $165,200.0 - **Contract:** Contract - **Skills:** C (Programming Language), Agile Methodology, Amazon S3, Software Applications, Computing Platforms, Systems Engineering, ARM Architecture, Bug Tracking Systems, Software Bug Management, C++ (Programming Language), Cyber Security, Data Security, Linux on Embedded Systems, Embedded Operating Systems, Perl (Programming Language), Embedded Software, Serial ATA, Field-Programmable Gate Array (FPGA), Integrated Development Environments, Python (Programming Language), Network Security, PCI Express, Scrum Methodology, Real-Time Operating Systems, Requirements Management, Information Technology Security Auditing, Security Software, Software Configuration Management, Software Engineering, VxWorks, Integration Tests, Information Technology, Cacti, Hardware Infrastructure, U-Boot, Devsecops - **Published:** September 5, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-software-security-engineer-s3e-los-angeles-ca--2efa3754-4012-47c3-853f-99e8ad02154b ## About the Role Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date, * Typically requires a Bachelor's in Science, Technology, Engineering, or Mathematics (STEM) AND a minimum of 5 years of relevant software experience * Experience with C / C++ * Experience with Xilinx UltaScale+ MPSoC, Versal, or similar Embedded Processors * Experience with embedded OS like VxWorks, Embedded Linux, or similar * The ability to obtain and maintain an Interim Secret Level U.S. security clearance is required prior to start date with the ability to obtain program access after start. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Qualifications We Prefer: * Embedded Software Security experience * Experience/Knowledge of any of the following: * Linux/Unix environment * Interfacing with FPGAs * Interfacing with low-level memory drivers * Inter-processor communication * ARM Architecture * Secure boot concepts * Cryptographic Algorithms * Experience designing, implementing, testing, or fielding real-time security-oriented solutions on Department of Defense (DoD) programs (embedded experience highly preferred) * Experience using security-relevant tools and devices for security auditing, network security, host/server security, communication security, or policy management. * Experience in Agile and DevSecOps environments * Experience in an Agile/Scrum/Kanban frameworks and development environments * Experience using software configuration management and bug tracking tools * Experience with Python / Perl * Knowledge of modern computer architectures and hardware technologies including: * PCIe, GPIO, I2C, SATA * Field Programmable Gate Arrays (FPGAs) * Application-Specific Integrated Circuits (ASICs), Adjudication, Aerospace and Defense, Affirmative Action, Agile Programming Methodologies, Amazon Simple Storage Service (S3), Bug Tracking/Defect Management, C Programming Language, C++ Programming Language, Cacti Graphing Tool, Career Development, Communications Security (COMSEC), Computer Security, Computer Systems, Customer Relations, Design Verification, Embedded Linux, Embedded Operating Systems, Embedded Processors, Embedded Software, Embedded Systems, FPGA, Information/Data Security (InfoSec), Integration Testing, Kanban, Life Insurance, Mathematics, Network Security, Product Development, RTX, Rehabilitation Act, Requirements Management, Research & Development (R&D), Scrum Project Management and Software Development, Security Auditing, Security Clearance, Security Policy, Security Software, Software Configuration Management, Software Design, Software Development, Software Engineering, State Government, Systems Engineering, Technical Support, Technical/Engineering Design, Testing, United States Citizen, United States Department of Defense (DoD), Vision Plan, VxWorks ## Description * This position requires understanding of real-time software design and the performance implications associated with specific System Security implementations. * Involve with application and embedded software design, development, integration, and testing of real-time missile software. * Apply System Security principles to the design and implementation of Missile software applications. * Develop software applications using C and C++ languages on a variety of computing platforms * Understand real-time software design and the performance implications associated with specific System Security implementations. * Able to understand how position's efforts affect the "big picture" of the missile system and be able to develop or review detail solutions at the source code level. * Work closely with the Systems Security Engineering team to define and implement requirements. * Work in a common development environment to support and facilitate program ability to leverage specific capabilities. * Interface with customer community to review technical design and support verification of system maturity. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Software Security 101: Secure Coding Basics](https://www.wearedevelopers.com/videos/220-software-security-101-secure-coding-basics) - [Why Security-First Development Helps You Ship Better Software Faster](https://www.wearedevelopers.com/videos/1568-why-security-first-development-helps-you-ship-better-software-faster) ## Related Articles - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Events like RSAC Get You CISOs. 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